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US 2025/0187101 A1Published application
Method and apparatus for mitigating risk of liquid metal embrittlement during resistance welding
AssigneeFca US LLC
InventorsBryan J Macek, George V Fantazian, Steven P Gucciardo
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Abstract
A method of joining two sheets includes providing a first sheet of material of non-liquid metal embrittlement susceptible material, providing a second sheet of material of liquid metal embrittlement susceptible material and forming a projection on first sheet. The method further comprises placing the second sheet and the projection of the first sheet between electrodes of a welder and welding the first sheet to the second sheet at the projection.
Claims20
A method comprising;
- providing a first sheet of material of non-liquid metal embrittlement susceptible material;
- providing a second sheet of material of liquid metal embrittlement susceptible material;
- forming a projection on first sheet;
- placing the second sheet and the projection of the first sheet between electrodes of a welder;
- and
- welding the first sheet to the second sheet at the projection.
3 more elements
A method comprising;
- providing a first sheet of material of non-liquid metal embrittlement susceptible material;
- providing a second sheet of material of liquid metal embrittlement susceptible material;
- providing a third sheet of material of liquid metal embrittlement susceptible material;
- forming a first projection on first sheet in a first direction;
- forming a second projection on the first sheet in a second direction opposite the first direction;
- placing the first sheet between the second sheet and the third sheet so that the first projection is adjacent the second sheet and the second projection is adjacent the third sheet;
- placing the first projection between electrodes of a welder;
- placing the second projection between the electrodes of a welder;
- and
- welding the first sheet to the second sheet and the third sheet.
7 more elements
Dependencies are inferred from the claim text.